The National Council Licensure Exams (NCLEX) is a standardized examination administered by the National Council of State Board of Nursing (NCSBN). The candidates having qualification in nursing write this examination to show proficiency in patient cares and related works. The performance of a candidate in NCLEX examination defines how much candidate is competent in taking care for patients and related activities.
The National Council of State Board of Nursing (NCSBN) administers two separate NCLEX tests for certification of nursing professionals-
National Council Licensure Examination for Registered Nurses (NCLEX - RN), and
National Council Licensure Examination for Licensed Practical / Vocational Nurses (NCLEX - PN)
Possessing NCLEX proficiency certificate is necessary in United States and its territories to start practice as nursing professional.